Home / 6,450.17-8,899.90-4,215.33

Finding the Fourth Proportional to 6,450.17, 8,899.90 and 4,215.33

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Solution

The fourth proportional to 6,450.17, 8,899.90 and 4,215.33 is: 5,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.17 : 8,899.90 = 4,215.33 : x
  2. Step 2: Convert to fraction form
    6,450.17/8,899.90 = 4,215.33/x
  3. Step 3: Cross multiply
    6,450.17x = 8,899.90 × 4,215.33
  4. Step 4: Simplify right side
    6,450.17x = 37,516,004.93
  5. Step 5: Solve for x
    x = 37,516,004.93/6,450.17
  6. Step 6: Final answer
    x = 5,816.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.